Inflatable blanket



FIG. 1 is a perspective view showing the new design for an inflatable blanket.

FIG. 2 is a top plane view thereof;

FIG. 3 is a bottom plane view thereof;

FIG. 4 is a left side view, the opposite side being a mirror image thereof; and,

FIG. 5 is a front end view, the opposite end being a mirror image thereof.

The portions of the inflatable blanket in FIGS. 1-5 shown in broken lines are included to show features that form no part of the claimed design. In addition, the dot-dash-dot type broken lines shown in the drawing views define the boundaries of the claimed design and form no part of the claimed design. 

CLAIM The ornamental design for an inflatable blanket, as shown and described. 